Lei Wu

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20242026

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math.AG2026

Generalized nearby cycles via relative and logarithmic $D$ -modules

Lei Wu, with an appendix by Claude Sabbah

For a regular map $F$ from a complex smooth affine variety $X$ to $A_{C}^{r}$ , we construct generalized nearby-cycle modules of a regular holonomic $D$ -module…

math.AG2024

Bernstein-Sato ideals

Nero Budur, Robin van der Veer, Lei Wu +1

In this paper, we review several results on the zero loci of Bernstein-Sato ideals related to singularities of hypersurfaces. This is an exposition for the Frontiers of Science Awa…

Generalized nearby cycles via relative and logarithmic D-modules

Bernstein-Sato ideals

Generalized nearby cycles via relative and logarithmic $D$ -modules